/* common.css - 所有页面共享的基础样式 */
body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: 'Segoe UI', sans-serif;
    color: #fff;
}

input[type="text"],
input[type="password"],
input[type="checkbox"] {
    border: none;
    outline: none;
    font-size: 14px;
    transition: background 0.3s ease;
}

input[type="submit"] {
    cursor: pointer;
    font-weight: bold;
    transition: background 0.3s ease, transform 0.2s ease;
}
